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tests: Add NULL pointer argument test for fmt_lpad/to_lower/str

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This commit is contained in:
Teufelchen1 2024-02-06 13:58:29 +01:00
parent 4d9e8a8dde
commit dbcfa1bdc8
2 changed files with 9 additions and 0 deletions
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5
sys/include/fmt.h
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@ -393,8 +393,13 @@ size_t fmt_str(char *out, const char *str);
/** /**
* @brief Copy null-terminated string to a lowercase string (excluding terminating \0) * @brief Copy null-terminated string to a lowercase string (excluding terminating \0)
* *
* If @p out is NULL, will only return the number of characters that would have
* been written.
*
* @param[out] out Pointer to output buffer, or NULL * @param[out] out Pointer to output buffer, or NULL
* @param[in] str Pointer to null-terminated source string * @param[in] str Pointer to null-terminated source string
*
* @return nr of characters written to (or needed in) @p out
*/ */
size_t fmt_to_lower(char *out, const char *str); size_t fmt_to_lower(char *out, const char *str);

4
tests/unittests/tests-fmt/tests-fmt.c
View File

@ -814,6 +814,7 @@ static void test_fmt_str(void)
const char *string1 = "string1"; const char *string1 = "string1";
char string2[] = "StRiNg2"; char string2[] = "StRiNg2";
TEST_ASSERT_EQUAL_INT(7, fmt_str(NULL, string1));
TEST_ASSERT_EQUAL_INT(fmt_strlen(string1), fmt_str(&string2[0], string1)); TEST_ASSERT_EQUAL_INT(fmt_strlen(string1), fmt_str(&string2[0], string1));
TEST_ASSERT_EQUAL_STRING(string1, &string2[0]); TEST_ASSERT_EQUAL_STRING(string1, &string2[0]);
} }
@ -833,6 +834,7 @@ static void test_fmt_to_lower(void)
const char string_up[] = "AbCdeFGHijkLM"; const char string_up[] = "AbCdeFGHijkLM";
char string[] = "zzzzzzzzzzzzzzz"; char string[] = "zzzzzzzzzzzzzzz";
TEST_ASSERT_EQUAL_INT(fmt_strlen(string_up), fmt_to_lower(NULL, string_up));
TEST_ASSERT_EQUAL_INT(fmt_strlen(string_up), fmt_to_lower(string, string_up)); TEST_ASSERT_EQUAL_INT(fmt_strlen(string_up), fmt_to_lower(string, string_up));
string[fmt_strlen(string_up)] = '\0'; string[fmt_strlen(string_up)] = '\0';
TEST_ASSERT_EQUAL_STRING("abcdefghijklm", &string[0]); TEST_ASSERT_EQUAL_STRING("abcdefghijklm", &string[0]);
@ -866,6 +868,8 @@ static void test_fmt_lpad(void)
strcpy(string, base); strcpy(string, base);
TEST_ASSERT_EQUAL_INT(8, fmt_lpad(NULL, 4, 8, ' '));
fmt_lpad(string, 4, 8, ' '); fmt_lpad(string, 4, 8, ' ');
TEST_ASSERT_EQUAL_STRING(" abcd", (char*)string); TEST_ASSERT_EQUAL_STRING(" abcd", (char*)string);